LibroAI vs EchoLing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LibroAI
Learn languages by reading AI-generated stories tailored to your interests and skill level. Instantly translate words with a tap and track your vocabulary growth. Enjoy an immersive and effective learning experience without boring drills.
- AI-generated stories
- Instant word translation
- 10 language pairs
- Progress tracking
- Personalized difficulty
- Offline mode
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Stop drilling flashcards. Start reading -- and now LISTENING -- to stories you actually want to finish. LibroAI generates custom stories in your target language, built around YOUR interests and matched to YOUR exact skill level. Read them, listen to them like an audiobook, and tap any word for instant translation. That's the whole method, and it works because it's how you learned your first language. NEW IN THIS VERSION - Audiobook-Quality Narration: Every story can be played out loud with natural-sounding AI audio - Live Word Highlighting: Words light up in sync with the audio so your eyes follow your ears - Auto-Scroll: The page follows the narration. Sit back, listen, and absorb. - My Words Library: Every word you've ever translated, saved automatically. Watch your vocabulary collection grow. WHY LIBROAI BEATS FLASHCARD APPS - Endless fresh content: AI writes new stories on demand, you'll never run out - Stories built around YOUR interests, not textbook scenarios about Maria going to the market - Train reading, listening, and pronunciation at the same time - Difficulty adapts to you: never too easy, never too frustrating - One tap = instant translation. No switching apps, no breaking your flow - Real progress you can see: every word you've learned, tracked daily, weekly, all-time 10 LANGUAGES Spanish, French, German, Italian, Portuguese, Russian, Japanese, Korean, Chinese, English 24 STORY TOPICS Travel, Food, Technology, Romance, Mystery, Sci-Fi, Sports, Business, History, Art, Philosophy, and more. Pick what you love. Learn the language around it. 3 SKILL LEVELS Beginner, Intermediate, or Expert. Switch anytime as you grow. BUILT FOR - Learners bored of grinding the same 50 words on other apps - Commuters who want hands-free language practice - Readers who want to actually remember the words they look up - Anyone who has tried flashcards and quietly given up GO PREMIUM, GO UNLIMITED Start free with daily stories and translations. Unlock unlimited stories, unlimited audio, and unlimited translations with LibroAI Premium: - Weekly: $5.99 - Yearly: $24.99 (save 17%, less than $2.50/month) Cancel anytime from your App Store settings. Payment will be charged to your Apple ID at confirmation of purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://blackboxcode.io/Privacy.html
EchoLing
Capture and organize English phrases and sentences from your daily life. AI-powered questions help you review saved content, and home screen widgets bring forgotten expressions back into view. Search your collection to easily find what you need.
- Save phrases from any source
- Organize with context
- AI-generated review questions
- Home screen widgets
- Searchable collection
- No pressure learning
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EchoLing is made for people who already save useful English from real life. See a word, phrase, or sentence in a conversation, book, video, class, meeting, or anywhere else? Save it before the moment passes. EchoLing keeps everything you collect in one place, along with the context that made it worth saving. Then it does a little more with what you’ve already chosen to keep. AI-generated questions help you revisit saved expressions without having to make study cards yourself. Home Screen widgets quietly bring old expressions back into view, including things you saved weeks or months ago. And when you need something again, search your collection and find it. No streaks. No daily goals. No pressure to finish a deck. Just the English you chose to keep—building into a collection that stays useful over time.
Screenshots
Verdict
The clearest difference is in-app purchases: EchoLing at none against LibroAI's 4. EchoLing also leads on ads (none vs shown) and update cadence (every 3 days vs every 8 days). On price, review sentiment, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. LibroAI sells 4 in-app purchases, starting at $2.99 per 7 days. EchoLing asks for nothing beyond the download.
LibroAI ships an update every 8 days, EchoLing every 3 days. Both last shipped on October 31, 2026.
| Parameter | LibroAI | EchoLing |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 8 — better | — |
| Update frequency | Every 8 days | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 98 MB | 32 MB |
| Age rating | 4+ | 9+ |
| Developer | Black Box Code LLC | Xinyu Zhu |
Customer experience
LibroAI
EchoLing
In-app purchases
LibroAI
- Premium Weekly Offer$2.997 Days
- Premium Weekly$5.997 Days
- Premium Yearly Offer$12.991 Year
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- Premium Yearly3 Days trial$24.991 Year
EchoLing
No in-app purchases









